US2468263A
Expired / Lapsed
US
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High-frequency electronic apparatus for heating dielectric materials
Assignee: RCA Corp
•
Filing: 1945-03-31
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Granted: 1949-04-26
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Expires: 1965-03-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:43
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/845; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/81; B29C66/818; B29C66/8187; B29C66/81871; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/90; B29C66/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |